@import url(https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Syne:wght@400;700;800&display=swap);

/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg:        #0d0f14;
    --surface:   #13161d;
    --border:    rgba(255, 255, 255, 0.07);
    --accent:    #00e5a0;
    --accent2:   #7b61ff;
    --text:      #f0f0f0;
    --muted:     #6b7280;
    --mono:      'Space Mono', monospace;
    --sans:      'Syne', sans-serif;
}

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    overflow: hidden;
}

/* ─── Preloader ─────────────────────────────────────────────── */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 36px;
    height: 36px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ─── Background ────────────────────────────────────────────── */
.home-page {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.introduction {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Background image */
.introduction > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.25) saturate(0.4);
    z-index: 0;
}

/* Grid overlay */
.introduction::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 229, 160, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 160, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    z-index: 1;
}

.mask {
    display: none;
}

/* Ambient glow orbs */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

.glow-orb.g1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 229, 160, 0.12) 0%, transparent 70%);
    top: -150px;
    left: -150px;
}

.glow-orb.g2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(123, 97, 255, 0.12) 0%, transparent 70%);
    bottom: -100px;
    right: -100px;
}

/* ─── Content Card ──────────────────────────────────────────── */
.intro-content {
    position: relative;
    z-index: 2;
    top: 0;
    background: rgba(19, 22, 29, 0.20);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem 3.5rem;
    max-width: 560px;
    width: 90%;
    animation: fadeUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: 0.2s;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Terminal tag */
.intro-content::before {
    content: '> grep -w onurkapcik onWeb';
    display: block;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--accent);
    background: rgba(0, 229, 160, 0.08);
    border: 1px solid rgba(0, 229, 160, 0.2);
    border-radius: 6px;
    padding: 5px 12px;
    margin-bottom: 1.75rem;
    animation: fadeUp 0.9s 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ─── Heading ───────────────────────────────────────────────── */
.intro-content h1 {
    font-family: var(--sans);
    font-size: clamp(2.2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 0.5rem;
    text-shadow: none;
    animation: fadeUp 0.9s 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.intro-content h1 span {
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── Subtitle ──────────────────────────────────────────────── */
.intro-content h2 {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 400;
    color: var(--muted);
    margin-bottom: 2rem;
    border: none;
    letter-spacing: 0.02em;
    animation: fadeUp 0.9s 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ─── Divider ───────────────────────────────────────────────── */
.intro-content h2::after {
    content: '';
    display: block;
    height: 1px;
    background: var(--border);
    margin-top: 1.75rem;
}

/* ─── Social Links ──────────────────────────────────────────── */
.social-media {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 0;
    animation: fadeUp 0.9s 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.social-media a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: transparent;
    color: var(--muted) !important;
    font-size: 16px;
    text-decoration: none;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.social-media a:hover {
    color: var(--accent) !important;
    border-color: rgba(0, 229, 160, 0.4);
    background: rgba(0, 229, 160, 0.06);
    transform: translateY(-3px);
}

/* Resume button */
.social-media a#resume-link {
    width: auto;
    padding: 0 16px;
    gap: 8px;
    color: var(--accent) !important;
    border-color: rgba(0, 229, 160, 0.3);
    background: rgba(0, 229, 160, 0.06);
    font-family: var(--mono);
    font-size: 12px;
}

.social-media a#resume-link::after {
    content: 'Resume ↗';
    font-family: var(--mono);
    font-size: 12px;
}

.social-media a#resume-link:hover {
    background: rgba(0, 229, 160, 0.12);
    border-color: rgba(0, 229, 160, 0.5);
    transform: translateY(-3px);
}

/* ─── Status line ───────────────────────────────────────────── */
.status-line {
    margin-top: 1.75rem;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: fadeUp 0.9s 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.25; }
}

.status-dot--company {
    background: var(--accent2);
    animation: pulse 2s infinite;
}

/* ─── iOS motion permission button (hidden) ─────────────────── */
#ios-motion-btn {
    position: fixed;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
    border: none;
    padding: 0;
}

/* ─── Pödüfü Easter Egg ─────────────────────────────────────── */
#poduf-egg {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(16px) scale(0.9);
    z-index: 99999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#poduf-egg.poduf-egg--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
}

.poduf-egg__badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: rgba(10, 10, 10, 0.25);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    box-shadow: 0 0 32px rgba(255, 255, 255, 0.1), 0 8px 32px rgba(0, 0, 0, 0.4);
}

.poduf-egg__text {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    color: #ffffff;
    letter-spacing: 0.05em;
}

.poduf-egg__devil {
    font-size: 1.5rem;
}

/* ─── Fenerbahçe Easter Egg ─────────────────────────────────── */
#fener-egg {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(16px) scale(0.9);
    z-index: 99999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#fener-egg.fener-egg--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
}

.fener-egg__badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: rgba(15, 52, 96, 0.25);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(247, 201, 0, 0.5);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    box-shadow: 0 0 32px rgba(247, 201, 0, 0.25), 0 8px 32px rgba(0,0,0,0.3);
}

.fener-egg__logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(247, 201, 0, 0.6));
}

.fener-egg__name {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    color: #f7c900;
    letter-spacing: 0.05em;
    text-shadow: 0 0 12px rgba(247, 201, 0, 0.6);
}


/* ─── Devil Rain ────────────────────────────────────────────── */
#egg-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 99998;
    overflow: hidden;
}

.egg-rain__icon {
    position: absolute;
    top: -60px;
    opacity: 1;
    animation: devil-fall 5s ease-in forwards;
}

@keyframes devil-fall {
    0%   { transform: translateY(0);     opacity: 1; }
    75%  { opacity: 1; }
    100% { transform: translateY(110vh); opacity: 0; }
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 480px) {
    .intro-content {
        padding: 2rem 1.75rem;
    }

    .intro-content h1 {
        font-size: 2rem;
    }
}